:orphan:

.. title:: BT_KEYS_OVERWRITE_OLDEST

.. option:: CONFIG_BT_KEYS_OVERWRITE_OLDEST

*Overwrite oldest keys with new ones if key storage is full*

Type: ``bool``

Help
====

.. code-block:: none

    With this option enabled, if a pairing attempt occurs and the key storage
    is full, then the oldest keys in storage will be removed to free space
    for the new pairing keys.

Direct dependencies
===================

\ :option:`BT_SMP <CONFIG_BT_SMP>` && \ :option:`BT_CONN <CONFIG_BT_CONN>` && \ :option:`BT_HCI_HOST <CONFIG_BT_HCI_HOST>` && \ :option:`BT_HCI <CONFIG_BT_HCI>` && \ :option:`BT <CONFIG_BT>`

*(Includes any dependencies from ifs and menus.)*

Defaults
========

No defaults. Implicitly defaults to ``n``.

Kconfig definition
==================



At ``<Zephyr Subsystem>/bluetooth/host/Kconfig:423``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:34`` → ``<Zephyr Subsystem>/Kconfig:9`` → ``<Zephyr Subsystem>/bluetooth/Kconfig:306``

Menu path: (Top) → Sub Systems and OS Services → Bluetooth → Security Manager Protocol support

.. code-block:: kconfig

    config BT_KEYS_OVERWRITE_OLDEST
    	bool "Overwrite oldest keys with new ones if key storage is full"
    	depends on BT_SMP && BT_CONN && BT_HCI_HOST && BT_HCI && BT
    	help
    	  With this option enabled, if a pairing attempt occurs and the key storage
    	  is full, then the oldest keys in storage will be removed to free space
    	  for the new pairing keys.

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*